<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
</head>
<body>
<form>
    <table border="1">
        <thead>
        <tr>
            <th colspan="2">注册</th>
        </tr>
        </thead>
        <tr>
            <td>用户名</td>
            <td>
                <input type="text">
            </td>
        </tr>
        <tr>
            <td>密码</td>
            <td>
                <input type="password" placeholder="请输入密码">
            </td>
        </tr>
        <tr>
            <td>确认密码</td>
            <td>
                <input type="password" placeholder="请再输入密码">
            </td>
        </tr>
        <tr>
            <td>性别</td>
            <td>
                <select>
                    <option value="第一项">男</option>
                    <option value="第二项">女</option>
                </select>
            </td>
        </tr>
        <tr>
            <td colspan="2">
                <input type="checkbox">同意
                <a href="https://www.baidu.com/">《规范注册文件》</a>
            </td>
        </tr>
        <tr>
            <td colspan="2">
                <input type="reset">
                <input type="submit">
            </td>
        </tr>
    </table>
</form>

</body>
</html>